Home > Produkt-Liste > Geschweißtes Stahlrohr > GB24187 Kaltgezogene Präzisions-Einzelschweißstahlrohre

GB24187 Kaltgezogene Präzisions-Einzelschweißstahlrohre

Zahlungsart:
L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm:
FOB,CFR,CIF,FCA,CPT
Minimum der Bestellmenge:
5 Ton
Transport:
Ocean,Land,Air
Hafen:
Shanghai,Ningbo
  • Produktbeschreibung
Overview
Produkteigenschaften

ModellGB24187

MarkeZu reich

Lieferfähigkeit & Zusatzinformationen

Verpakung Verpackung in Holzkisten oder in hexagonalen Bündeln

Produktivität20000 Tons per Year

TransportOcean,Land,Air

Ort Von ZukunftZhejiang, China (Festland)

Unterstützung über60000 Ton per year

Zertifikate ISO9001:2008 ISO14001:2008

HS-Code7306301100

HafenShanghai,Ningbo

ZahlungsartL/C,T/T,D/P,Paypal,Money Gram,Western Union

IncotermFOB,CFR,CIF,FCA,CPT

Verpackung & Lieferung
Verkaufseinheiten:
Ton
Pakettyp:
Verpackung in Holzkisten oder in hexagonalen Bündeln

Produktname : GB24187 Kaltgewalzter kohlenstoffarmer Stahl Kaltgezogene Präzisions-Einzelschweißstahlrohre

Standard : GB24187

OD: 3-420 mm

WT: 0,5-50 mm

Länge : 1-12m oder entsprechend der tatsächlichen Anwendung und Produktion des Kunden.

Anwendung : Maschinen

Stahlgrad: 10 # .20 #

Technologie : kaltgezogen, kaltgewalzt

Charakteristisch:

Gute Konzentrizität

Gute Oberflächenqualität

Gute OD- und ID-Toleranz

Hohe Präzision

Stabile Qualität

Glatte Rauheit

TORICH QUALITÄTSSICHERUNG


Tabelle1 Art, Zustand und Code der Stahlrohroberfläche

Type

State

Code

Bright Surface

No coating on the inner and outer surface of steel pipe

SL

Copper plated surface

Copper plating on the outer surface of steel tube

Cu

Galvanized surface

Galvanized or zinc alloy on the outer surface of steel pipe

Zn

Double-sided copper plating surface

The inner and outer surfaces of the steel pipe are plated with copper

Cu/Cu

External galvanized inner copper plating surface

Galvanized or zinc alloy on the outer surface of steel pipe, copper plating on the inner surface

Zn/Cu

a.       Use electroplating, electroless or hot dip plating.

b.       Manufacture of steel strip with double-sided copper plating, and the quality of the coating at the weld line should be negotiated by both suppliers and suppliers.

c.        Manufacture of steel strip with double-sided copper plating.

Tabelle 2 Außendurchmesser, Wanddicke und theoretisches Gewicht

OD/mm

WT/mm

0.30

0.40

0.50

0.60

0.65

0.70

0.80

0.90

1.00

1.30

theoretical weight /(kg/m)

3.18

0.0213

0.0274

0.0330

 

 

 

 

 

 

 

4.00

0.0274

0.0355

0.0432

0.0503

 

 

 

 

 

 

4.76

0.0330

0.0430

0.0525

0.0616

0.0659

0.0701

 

 

 

 

5.00

0.0348

0.0454

0.0555

0.0651

0.0697

0.0742

 

 

 

 

6.00

0.0422

0.0552

0.0678

0.0799

0.0858

0.0915

0.1026

0.1132

0.1233

 

6.35

0.0448

0.0587

0.0721

0.0851

0.0914

0.0975

0.1095

0.1210

0.1319

 

7.94

0.0565

0.0744

0.0917

0.1086

0.1169

0.1250

0.1409

0.1563

0.1712

0.2129

8.00

0.0570

0.0750

0.0925

0.1095

0.1178

0.1260

0.1421

0.1576

0.1726

0.2148

9.53

0.0683

0.0901

0.1113

0.1321

0.1423

0.1524

0.1722

0.1915

0.2104

0.2639

10.00

0.0718

0.0947

0.1171

0.1391

0.1499

0.1605

0.1815

0.2020

0.2220

0.2789

12.00

0.0866

0.1144

0.1418

0.1687

0.1819

0.1951

0.2210

0.2464

0.2713

0.3430

12.70

0.0917

0.1213

0.1504

0.1790

0.1932

0.2072

0.2348

0.2619

0.2885

0.3655

14.00

0.1014

0.1342

0.1665

0.1983

0.2140

0.2296

0.2604

0.2908

0.3206

0.4072

15.88

0.1153

0.1527

0.1896

0.2261

0.2441

0.2621

0.2975

0.3325

0.3670

0.4674

16.00

0.1162

0.1539

0.1911

0.2279

0.2461

0.2641

0.3000

0.3352

0.3699

0.4713

18.00

0.1310

0.1736

0.2158

0.2575

0.2781

0.2987

0.3393

0.3795

0.4192

0.5354

Theoretical weight of no additional coating, density of steel is 7.85 kg/dm3

 

Outer diameter

Common precision

High precision

4.76

±0.08

±0.05

4.76-8.00

±0.12

±0.07

8.00-12.00

±0.16

±0.10

12.00

±0.20

±0.12

Tabelle4 Zulässige Abweichung der Stahlrohrwanddicke

Wall thickness

Permissible deviation

0.70

±0.05

0.70

±0.07

Tabelle5 Zulässige Abweichung der spezifizierten Länge des Stahlrohrs

Length

Allowable deviation

2000

+4

0

2000-5000

+7

0

5000-8000

+10

0

Tabelle 6 Chemische Zusammensetzung des Stahlbandes ( Massenanteil ) %

Category

C

Si

Mn

P

S

Cold rolled low carbon steel strip

0.08

0.03

0.30

0.030

0.030

Cold rolled ultra low carbon steel strip

0.008

0.03

0.25

0.020

0.030

Tabelle 7 Mechanische Eigenschaften von kaltgewalztem kohlenstoffarmem Stahlband

Thickness

/mm

Tensile Strength

Rm/MPa

Yield Strength

Reh/MPa 

Elongation

A/%

0.25~0.35

270

 

32

0.35~0.50

34

0.50

36

a Replace with RP0.2 when the yield phenomenon is not obvious.

b Sample type of sample number D14 in GB/T 228-2002.

Tabelle 8 Mechanische Eigenschaften von kaltgewalztem Stahlband mit extrem niedrigem Kohlenstoffgehalt

Thickness

/mm

Tensile Strength

Rm/MPa 

Yield Strength

Reh/MPa

Elongation

A/%

0.50

280

130~250

38

0.50

40

a Replace with RP0.2 when the yield phenomenon is not obvious.

b Sample type of sample number P14 in GB/T 228-2002.

Tabelle 9 Mechanische Eigenschaften von Stahlrohr

Category

Tensile Strength

Rm/MPa

Yield Strength

Reh/MPa

Elongation

A/%

Ordinary steel pipe(MA)

270

180

14

Soft steel tube(MB)

230

150~220

35

a Replace with RP0.2 when the yield phenomenon is not obvious.

b Sample type of sample number S7 in GB/T 228-2002.

TABELLE 10 Inspektionsartikel, Testmethoden und Probenahmemenge

NO

Inspection Items

Sampling Method ,Test Methods

Sampling Quantity

1

Chemical composition

GB/T 223, GB/T 4336, GB/T 20066

GB/T 20123, GB/T 20126

Take 1 samples per furnace

2

Mechanical property

GB/T 228

Take 1 samples per batch

3

Flattening test

GB/T 246

Take 1 samples per furnace

4

Expansion test

GB/T 242

Take 1 samples of two steel pipes per batch

5

Bending test

GB/T 244

Take 1 samples per batch

6

Hydraulic test

GB/T 241

Take 1 samples per batch

7

Flared test

Appendix A

Take 1 samples per batch

8

Requirements for the inner surface of high definition clean steel pipe

Appendix B

Consultation between Supply and demand parties

9

Outer coating

Appendix C

Consultation between Supply and demand parties

10

Residuals of internal surface cleanliness

Appendix D

Consultation between Supply and demand parties

Tabelle A Die Größe von Single Double Flaring

Out

Dimensions

D

Single-Layer expansion diameter

D1

Double-Layer expansion diameter

D2

The minimum length of Double-Layer expansion diameter

L

Inner diameter of double-lay expansion

D3

The inner diameter of flaring round corner

r

3.18

4.5

5.0

1.0

The maximum

size :(D-2S)+0.25

The minimum size:(D-2S)-0.50

1.0±0.3

 

4.00

5.4

6.0

1.0

4.76

6.3

7.0

1.0

5.00

6.6

7.3

1.0

6.00

7.7

8.4

1.0

6.35

8.1

8.8

1.0

7.94

10.1

10.7

1.6

8.00

10.1

10.8

1.6

9.53

11.8

12.5

1.6

10.00

12.3

13.0

1.6

12.00

14.6

15.2

1.6

14.00

17.0

17.5

2.1

15.88

19.1

19.6

2.1

16.00

19.2

19.7

2.1

18.00

21.5

22.0

2.1

Only to choose one from D2 and D3

Tabelle C.1 Bezeichnung, Art und Zeitpunkt der Korrosionsschutzstahlrohre für die Kälteerzeugung

Label

Type

The time of anti-corrosion

Cu

Copper-coated iron

--

Zn

Galvanized pipe

48h

Tabelle C.2 Die Ummantelungsfolie aus Kupferrohr mit Etikett, Typ, Aussehen und Korrosionsschutzzeit

Label

Type

Typical appearance

The time of anti-corrosion

A

Bright

Transparent, sometimes with a slight blue light

6h

B

Bleach

Transparent and a little iridescence

24h

C

Iridescence

The iridescence of partial yellow

72h

D

Dark color

Oliver green with brown and bronze

96h

E

Composite

Dark

200h

Note: This table is based on chromate conversion film, the use of other treatment methods can be negotiated by both parties

Welded Steel Pipe,Spiral Welded Steel Pipe,High Frequency Welded Steel Pipe,Black Carbon Steel Welded Pipe, Oval steel tube

PIC_20161125_110627_FE7


Produktgruppe : Geschweißtes Stahlrohr

Home > Produkt-Liste > Geschweißtes Stahlrohr > GB24187 Kaltgezogene Präzisions-Einzelschweißstahlrohre
Mail an Lieferanten
  • *Fach:
  • *Zu:
    Mr. Richard SHEN
  • *E-Mail-Adresse:
  • *Nachrichten:
    Ihre Nachrichten muss zwischen 20-8000 Zeichen sein
Anfrage versenden
*
*

Zuhause

Product

Whatsapp

Über uns

Anfrage

We will contact you immediately

Fill in more information so that we can get in touch with you faster

Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.

senden